At the UN conference on desertification in Ulaanbaatar, Mongolia, the stakes are high: deserts and drylands already cover 40% of Earth's land. In many regions, farming and livestock are becoming impossible, forcing people to leave their homes.
At the UN conference on desertification in Ulaanbaatar, Mongolia, the stakes are high: deserts and drylands already cover 40% of Earth's land. In many regions, farming and livestock are becoming impossible, forcing people to leave their homes.